CN205596335U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN205596335U CN205596335U CN201620250337.2U CN201620250337U CN205596335U CN 205596335 U CN205596335 U CN 205596335U CN 201620250337 U CN201620250337 U CN 201620250337U CN 205596335 U CN205596335 U CN 205596335U
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- Prior art keywords
- module
- shell
- connecting part
- loudspeaker
- speaker
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- 239000000178 monomer Substances 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000012634 fragment Substances 0.000 abstract description 12
- 238000001125 extrusion Methods 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 241000463219 Epitheca Species 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a loudspeaker module group, including the module shell and accept the speaker monomer in the module shell, wherein, the speaker monomer includes the monomer shell and exposes the shell fragment that to be used for to connect the interior external circuit of speaker monomer from the monomer shell, wherein, still including fixing on the module shell for the electric connector who connects shell fragment and module external circuit, wherein, electric connector is the sheetmetal, including mould plastics on the module shell the linking arm and be located the in -connection portion and the outer joint portion at linking arm both ends, in -connection portion and shell fragment extrusion contact, outer joint portion extends to the terminal surface of module shell through the linking arm. Utilize above -mentioned utility model, can save loudspeaker module group back cavity space, increase back cavity volume, reduce resonant frequency, improve and produce the property ability.
Description
Technical Field
The utility model relates to an acoustics technical field, more specifically relates to a speaker module.
Background
With the expansion of consumer electronics market, a large number of mobile phones and notebook computers are widely used, and as important acoustic components in consumer electronics, sound production devices have wide requirements. With the increasing demand of consumer electronics, the performance of sound generating devices is receiving more and more attention.
With the demands of light and thin appearance and more excellent performance of consumer electronic products such as mobile phones and tablet computers, the sound generating device is an important component of such products, and increasingly high demands are also made on the aspects of performance, size, safety and the like.
The speaker in the existing terminal device mostly adopts the structure of a speaker module for better realizing high-performance tone quality. Wherein, the free circuit of speaker of connection in the speaker module mainly switches on through welding flexible circuit board or electricity connecting wire and external circuit, and flexible circuit board or electricity connecting wire occupy partial back chamber space, and realize switching on through the welding, and difficult assurance good uniformity in the technology appears the fracture short circuit easily and noiselessness or is bad when the reliability test, finally leads to the speaker to become invalid.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a speaker module adopts this kind of speaker module in order to solve the mode that present speaker monomer and external circuit switched on, and it is more to occupy the space of speaker module rear chamber, and the welding process operation is complicated, and the uniformity can not be guaranteed, leads to speaker module to appear harmfully or even inefficacy scheduling problem easily.
The utility model provides a loudspeaker module, which comprises a module shell and a loudspeaker monomer accommodated in the module shell; the loudspeaker single body comprises a single body shell and an elastic sheet exposed out of the single body shell and used for connecting an internal circuit and an external circuit of the loudspeaker single body; the module comprises a shell, a spring piece and an electric connector, wherein the electric connector is fixed on the shell of the module and used for connecting the spring piece and an external circuit of the module; the electric connecting piece is a metal sheet and comprises a connecting arm which is injection-molded on the module shell, and an inner connecting part and an outer connecting part which are positioned at two ends of the connecting arm; the inner connecting part is in extrusion contact with the elastic sheet, and the outer connecting part extends to the end face of the module shell through the connecting arm.
In addition, the preferred structure is that the number of the elastic sheets of the loudspeaker single body is two, the number of the electric connecting pieces is two, and the connecting arms of the two electric connecting pieces are different in length; and the inner connecting parts of the two electric connecting pieces are respectively contacted with the two elastic sheets of the loudspeaker monomer.
In addition, the preferable structure is that an avoiding hole is arranged on the module shell, and the external connecting part is clamped in the corresponding avoiding hole.
In addition, it is preferable that the inner connecting portion and the outer connecting portion are respectively located at both sides of the connecting arm, and steps of the bending structure are respectively provided at the connecting positions of the inner connecting portion and the connecting arm and the connecting portion of the outer connecting portion and the connecting arm.
In addition, the preferable structure is that the external connecting part is positioned at one side of the connecting arm close to the module shell, and the internal connecting part is positioned at one side of the connecting arm close to the elastic sheet; the height difference of the inner connecting part and the outer connecting part in the direction perpendicular to the connecting arm is not less than the distance between the elastic sheet and the module shell.
In addition, the preferred structure is that the module shell comprises an upper module shell and a lower module shell which are connected in an adaptive manner; the avoiding hole is formed in the upper shell of the module.
In addition, the preferred structure is that the electric connector is a conductive copper sheet, and the inner connecting part and the outer connecting part are integrated with the connecting arm.
Further, it is preferable that the inner connection portion and the outer connection portion have a rectangular, circular, or irregular shape.
In addition, the preferred structure is that the loudspeaker unit further comprises a vibration system and a magnetic circuit system which are accommodated in the unit casing; the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm; the magnetic circuit system comprises a magnetic conducting yoke fixed with the single shell, and a magnet and a washer accommodated in the magnetic conducting yoke and the single shell; wherein, a magnetic gap is formed between the magnetic circuit system and the single shell, and the voice coil is suspended in the magnetic gap.
Further, it is preferable that the voice coil includes a voice coil main body and a voice coil lead wire wound outside the voice coil main body; the voice coil lead is electrically connected with the elastic sheet.
According to the technical scheme, the loudspeaker module of the utility model, through injecting plastic electric connector in the module shell, the connection of the shell fragment of the loudspeaker monomer and the external circuit is realized through the connecting parts (including the inner connecting part and the outer connecting part) at the two ends of the electric connector, the back cavity space of the loudspeaker module can be effectively saved, the back cavity volume is increased, and the acoustic performance of the loudspeaker module is improved; in addition, the electric connector is in extrusion contact with the elastic sheet, poor processes such as cold joint, floating welding and the like generated in welding can be avoided, reliability is high, and stable performance of a product is ensured.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is an exploded schematic view of a speaker module according to an embodiment of the present invention;
fig. 2 is a schematic view of an overall structure of a speaker module according to an embodiment of the present invention;
fig. 3 is a schematic partial structural diagram of a speaker module according to an embodiment of the present invention;
FIG. 3-1 is an enlarged view of a portion A of FIG. 3;
fig. 3-2 is an enlarged view of a portion B of fig. 3.
Wherein the reference numerals include: the module comprises an upper module shell 1, avoidance holes 11, an electric connecting piece 21, a step 21 'of a bending structure, an inner connecting part 2a, an outer connecting part 2 a', an electric connecting piece 22, a step 22 'of a bending structure, an inner connecting part 2b, an outer connecting part 2 b', a loudspeaker single body 3, an elastic piece 31, an elastic piece 32 and a lower module shell 4.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Switch on the rear chamber space that occupies the speaker module that exists through welding flexible circuit board or electric connecting wire and external circuit to above-mentioned speaker monomer, and realize switching on through the welding, difficult assurance good uniformity in technology, the short circuit that ftractures easily when reliability test, noiselessness or bad scheduling problem appear, the utility model discloses mould sheet structure's electric connector in the module shell, realize switching on of speaker shell fragment and external circuit through the connecting portion at electric connector both ends, can fully save the rear chamber space of speaker module to avoid the harmful effects that welding process brought.
For describing the speaker module of the present invention in detail, the following description will be made in detail with reference to the accompanying drawings.
Fig. 1 shows an exploded structure of a speaker module according to an embodiment of the present invention; fig. 2 shows an overall structure of a speaker module according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2, the speaker module according to the embodiment of the present invention includes a module housing (including a module upper shell 1 and a module lower shell 4) and a speaker unit 3 accommodated in the module housing; the loudspeaker single body 3 further comprises a single body shell and elastic sheets 31 and 32 which are exposed out of the single body shell and used for connecting an internal circuit and an external circuit of the loudspeaker single body 3; the loudspeaker module of the utility model also comprises an electric connector which is fixed on the module shell and is used for connecting the elastic sheet and the external circuit of the module; the electric connecting piece is a metal sheet and comprises a sheet-shaped connecting arm which is injection-molded on the module shell, and an inner connecting part and an outer connecting part which are positioned at two ends of the connecting arm; after the loudspeaker module is assembled, the inner connecting part is in extrusion contact with the elastic sheet, and the outer connecting part extends to the end face of the module shell through the connecting arm so as to be connected and conducted with a terminal product.
In the present invention, the electrical connectors are provided with two, respectively electrical connectors 21 (including inner connecting portion 2a and outer connecting portion 2a 'located at both ends of their corresponding connecting arms), and electrical connectors 22 (located at inner connecting portion 2b and outer connecting portion 2 b' located at both ends of their corresponding connecting arms).
The following will describe in detail the electrical connector and its positional relationship with the speaker unit in conjunction with the local structure of the speaker module and its amplifying structure according to the embodiment of the present invention.
Specifically, fig. 3 shows a partial structure of a speaker module according to an embodiment of the present invention; fig. 3-1 and 3-2 show partially enlarged structures of portions a and B in fig. 3, respectively.
As shown in fig. 1 to fig. 3-2, the speaker module according to the embodiment of the present invention has a certain distance between the elastic pieces, which results in different lengths of the connecting arms of the electrical connectors 21 and 22, and the electrical connectors 21 and 22 are respectively used for connecting two elastic pieces of the speaker unit with the conducting structure (PAD portion of the terminal device) of the terminal product. Wherein, be provided with two holes 11 of dodging on module epitheca 1, the internal connection portion 2a and the shell fragment 31 contact of electric connector 21, external connection portion 2a ' is fixed in the corresponding hole of dodging, the internal connection portion 2b and the shell fragment 32 contact of electric connector 22, and external connection portion 2b ' is fixed in the corresponding hole of dodging, and two that correspond two electric connectors dodge the position relation between the hole 11 and set up according to the conducting structure of external connection's terminal product.
Because certain differences exist between the upper shell of the module and the elastic sheet in the length direction, the height direction and the width direction of the loudspeaker module, the elastic sheet can be communicated with a terminal product while the space of a rear cavity is saved, in one embodiment of the present invention, the inner connecting portions 2a, 2b and the outer connecting portions 2a ', 2 b' are respectively located at both sides of the corresponding connecting arms, the outer connecting portions are located at one side of the corresponding connecting arms near the module case, the inner connecting portions are located at one side of the corresponding connecting arms near the spring plate, steps (including bending and steps) 21 'and 22' with bending structures are respectively arranged at the contact positions of the inner connecting part and the outer connecting part with the connecting arm, the height of the electric connecting piece in the Z-axis direction of the loudspeaker module is adjusted through the steps, thereby extend the shell fragment to the shell through electric connector, realize switching on of speaker monomer and terminal product.
Wherein, it is required to explain, the concrete structure of electric connector 21, 22 and the length of linking arm thereof are not limited the utility model discloses shown structure in the drawing, in practical application, can be according to the structure of module shell, the position relation between speaker monomer and the module shell, the size of speaker monomer self, the position of shell fragment on the speaker monomer, and dodge the position in hole, the direction of buckling, the size of buckling, the height of step of corresponding adjustment electric connector, and linking arm length etc. can realize moulding plastics the linking arm in the module shell, it all can to realize switching on of speaker monomer and terminal product through internal connection portion and external connection portion.
In another embodiment of the present invention, in order to ensure reliable conduction between the inner connecting portion and the elastic piece, the height difference between the inner connecting portion and the outer connecting portion in the direction perpendicular to the connecting arm is not less than the distance between the elastic piece and the module housing. Therefore, in the assembling process, the inner connecting part can extrude the elastic sheet to a certain degree, as shown in a dotted line part in fig. 3-2, the part represents the elastic sheet extruded by the inner connecting part, and therefore reliable conduction between the electric connecting piece and the loudspeaker single body is ensured. The degree of extrusion between the inner connecting part and the spring plate, namely the deformation of the spring plate, can be adjusted according to the height of the step at the contact position of the inner connecting part or the outer connecting part and the connecting arm.
The utility model discloses an among the concrete implementation mode, module shell includes adaptation connection's module epitheca 1 and module inferior valve 4, and module inferior valve 4 is the cavity structures, and speaker monomer 3 is fixed in moulding inferior valve 4 to form the enclosure space through module epitheca 1. Wherein, the shrapnel 31, 32 is arranged at one side of the loudspeaker single body 3 close to the module upper shell 1, therefore, the avoiding hole 11 of the external connection part for fixing the electric connector is arranged on the module upper shell 1.
Wherein, electric connector can be for electrically conductive copper sheet or other electrically conductive sheetmetals, and inner connecting portion and outer connecting portion and linking arm structure as an organic whole, for the reliability of guaranteeing inner connecting portion and outer connecting portion respectively with the conduction structure connection of shell fragment and terminal product, increase electric connection part's area of contact can set up inner connecting portion and/or outer connecting portion into rectangle, circular or other irregular shapes etc..
In another embodiment of the present invention, the speaker unit 3 further includes a vibration system and a magnetic circuit system accommodated in the unit housing; the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm; further, the diaphragm comprises a fixed part, a folded ring part of a concave/convex structure which is integrally arranged with the fixed part, and a reinforcing part which is positioned in the folded ring part; the fixed part of vibrating diaphragm passes through sticky fixation on the lateral wall of module monomer shell.
In addition, the magnetic circuit system comprises a magnetic conducting yoke fixed with the single shell, a magnet fixed at the center of the magnetic conducting yoke, and a washer positioned on one side of the magnet far away from the magnetic conducting yoke. Furthermore, the magnetic circuit system may include a magnetic yoke fixedly connected to the single body housing, a central magnet disposed at a central position of the magnetic yoke near the diaphragm, and a side magnet disposed around the central magnet; the side, far away from the magnetic yoke, of the central magnet and the side magnet is provided with a central washer and a side washer which correspond in shape respectively, a magnetic gap is formed between the integrated structure of the central magnet and the central washer and the integrated structure of the side magnet and the side washer, and the voice coil is suspended in the magnetic gap.
Further, the voice coil includes a voice coil body and a voice coil lead wire wound outside the voice coil body; the voice coil lead is electrically connected with the elastic sheet, so that the conduction of an external circuit inside and outside the loudspeaker monomer is realized. That is to say, among this technical scheme, the lead wire and the shell fragment electricity of speaker monomer voice coil loudspeaker voice coil are connected, and the interior connecting portion extrusion contact of shell fragment and electric connector switches on, through outer connecting portion and terminal device's conduction structure electric connection, realize the complete electric conduction of speaker monomer and module external circuit from this.
Through the aforesaid according to the utility model discloses a speaker module moulds slice structure's electric connector in the module shell, realizes switching on of speaker monomer and external circuit through the connecting portion at electric connector both ends, can fully save speaker module's back chamber space to avoid welding process to reduce resonant frequency, improve acoustic performance to the harmful effects that speaker module brought.
The speaker module according to the present invention has been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the speaker module set provided in the present invention without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A loudspeaker module comprises a module shell and a loudspeaker single body accommodated in the module shell; the loudspeaker single body comprises a single body shell and an elastic sheet exposed out of the single body shell and used for connecting an internal circuit and an external circuit of the loudspeaker single body; the module is characterized by further comprising an electric connector which is fixed on the module shell and used for connecting the elastic sheet with an external circuit of the module; wherein,
the electric connecting piece is a metal sheet and comprises a connecting arm which is injection-molded on the module shell, and an inner connecting part and an outer connecting part which are positioned at two ends of the connecting arm;
the inner connecting part is in compression contact with the elastic sheet, and the outer connecting part extends to the end face of the module shell through the connecting arm.
2. The speaker module as recited in claim 1,
the loudspeaker comprises two loudspeaker bodies, two electric connecting pieces and connecting arms, wherein the connecting arms of the two electric connecting pieces are different in length; and,
the inner connecting parts of the two electric connecting pieces are respectively contacted with the two elastic sheets of the loudspeaker monomer.
3. The speaker module as recited in claim 2,
the module shell is provided with avoidance holes, and the outer connecting parts are clamped in the corresponding avoidance holes.
4. The speaker module as recited in claim 1,
the inner connecting part and the outer connecting part are respectively positioned at two sides of the connecting arm;
the connection parts of the inner connection part and the outer connection part and the connecting arm are respectively provided with a step with a bending structure.
5. The speaker module as recited in claim 4,
the outer connecting part is positioned at one side of the connecting arm close to the module shell, and the inner connecting part is positioned at one side of the connecting arm close to the elastic sheet;
the height difference of the inner connecting part and the outer connecting part in the direction perpendicular to the connecting arm is not smaller than the distance between the elastic sheet and the module shell.
6. A speaker module as claimed in claim 3,
the module shell comprises an upper module shell and a lower module shell which are connected in an adaptive manner;
the avoiding hole is formed in the module upper shell.
7. The speaker module as recited in claim 1,
the electric connector is a conductive copper sheet, and the inner connecting part, the outer connecting part and the connecting arm are of an integrated structure.
8. The speaker module as recited in claim 1,
the inner connecting part and the outer connecting part are rectangular, circular or irregular.
9. The speaker module as recited in claim 1,
the loudspeaker single body also comprises a vibration system and a magnetic circuit system which are accommodated in the single body shell;
the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm;
the magnetic circuit system comprises a magnetic yoke fixed with the single shell, and a magnet and a washer accommodated in the magnetic yoke and the single shell; wherein,
and a magnetic gap is formed between the magnetic circuit system and the single shell, and the voice coil is suspended in the magnetic gap.
10. The speaker module as recited in claim 9,
the voice coil comprises a voice coil body and a voice coil lead wire wound outside the voice coil body;
the voice coil lead is electrically connected with the elastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250337.2U CN205596335U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250337.2U CN205596335U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205596335U true CN205596335U (en) | 2016-09-21 |
Family
ID=56922188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620250337.2U Active CN205596335U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205596335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509146A (en) * | 2017-08-31 | 2017-12-22 | 歌尔股份有限公司 | Sound-producing device and the method being embedded at connection shell fragment in sound-producing device |
| CN107613438A (en) * | 2017-10-19 | 2018-01-19 | 江苏裕成电子有限公司 | Yin Qiang mechanisms |
| WO2020000986A1 (en) * | 2018-06-29 | 2020-01-02 | 歌尔股份有限公司 | Loudspeaker and loudspeaker module |
-
2016
- 2016-03-28 CN CN201620250337.2U patent/CN205596335U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509146A (en) * | 2017-08-31 | 2017-12-22 | 歌尔股份有限公司 | Sound-producing device and the method being embedded at connection shell fragment in sound-producing device |
| WO2019041403A1 (en) * | 2017-08-31 | 2019-03-07 | 歌尔股份有限公司 | Sound-producing device and method for embedding connecting flexible plate into sound-producing device |
| CN107613438A (en) * | 2017-10-19 | 2018-01-19 | 江苏裕成电子有限公司 | Yin Qiang mechanisms |
| WO2020000986A1 (en) * | 2018-06-29 | 2020-01-02 | 歌尔股份有限公司 | Loudspeaker and loudspeaker module |
| US11516591B2 (en) | 2018-06-29 | 2022-11-29 | Goertek Inc. | Speaker and speaker module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |